The Black/Green lines are Trend/Support/Resistance lines. Red and Blue are the stocks' price movement
Note the declining tops formation on the Applied Micro Circuits Chart. Once the stock closes above 104 it has broken the downward trend.
You can see on the JDS Uniphase chart that at 76 3/4 it has strong support. It has tested 76 3/4 many times and always bounces off. That is a very safe buying point
Today (05/30/2000) Juniper Networks broke its declining tops formation.
PMC Sierra's chart shows resistance at a little below 170 (around 167). Once it breaks its declining tops formation (by closing above 168 (to be safe)) it broke it's downtrend.